spectrogram

master
Ondřej Hruška 8 years ago
parent 42f869de61
commit 55ed773298
  1. 2
      esp_meas.pro.user
  2. 6
      html/js/all.js
  3. 2
      html/pages/about.tpl
  4. 2
      html/pages/fft.html
  5. 2
      html/pages/status.tpl
  6. 2
      html/pages/wfm.html
  7. 2
      html/pages/wifi.tpl
  8. 2
      html_src/_start.php
  9. 1
      html_src/gulpfile.js
  10. 11
      html_src/js-src/app.js
  11. 35
      html_src/js-src/lib/chibi.js
  12. 165
      html_src/js-src/page_spectrogram.js
  13. 23
      html_src/js-src/page_waveform.js
  14. 4
      html_src/js-src/utils.js
  15. 6
      html_src/js/all.js
  16. 2
      html_src/js/all.js.map
  17. 29
      html_src/page_spectrogram.php

@ -1,6 +1,6 @@
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE QtCreatorProject>
<!-- Written by QtCreator 3.6.1, 2016-04-01T14:34:14. -->
<!-- Written by QtCreator 3.6.1, 2016-04-01T15:01:35. -->
<qtcreator>
<data>
<variable>EnvironmentId</variable>

File diff suppressed because one or more lines are too long

@ -19,7 +19,7 @@
<div id="outer">
<nav id="menu">
<div id="brand" onclick="$('#menu').toggleClass('expanded')">Current Analyser</div>
<a href="/status">Home</a><a href="/wifi">WiFi config</a><a href="/waveform">Waveform</a><a href="/fft">FFT</a><a href="/about" class="selected">About</a></nav>
<a href="/status">Home</a><a href="/wifi">WiFi config</a><a href="/waveform">Waveform</a><a href="/fft">FFT</a><a href="/spectrogram">Spectrogram</a><a href="/about" class="selected">About</a></nav>
<div id="content">
<img src="/img/loader.gif" alt="Loading…" id="loader">

@ -19,7 +19,7 @@
<div id="outer">
<nav id="menu">
<div id="brand" onclick="$('#menu').toggleClass('expanded')">Current Analyser</div>
<a href="/status">Home</a><a href="/wifi">WiFi config</a><a href="/waveform">Waveform</a><a href="/fft" class="selected">FFT</a><a href="/about">About</a></nav>
<a href="/status">Home</a><a href="/wifi">WiFi config</a><a href="/waveform">Waveform</a><a href="/fft" class="selected">FFT</a><a href="/spectrogram">Spectrogram</a><a href="/about">About</a></nav>
<div id="content">
<img src="/img/loader.gif" alt="Loading…" id="loader">

@ -19,7 +19,7 @@
<div id="outer">
<nav id="menu">
<div id="brand" onclick="$('#menu').toggleClass('expanded')">Current Analyser</div>
<a href="/status" class="selected">Home</a><a href="/wifi">WiFi config</a><a href="/waveform">Waveform</a><a href="/fft">FFT</a><a href="/about">About</a></nav>
<a href="/status" class="selected">Home</a><a href="/wifi">WiFi config</a><a href="/waveform">Waveform</a><a href="/fft">FFT</a><a href="/spectrogram">Spectrogram</a><a href="/about">About</a></nav>
<div id="content">
<img src="/img/loader.gif" alt="Loading…" id="loader">

@ -19,7 +19,7 @@
<div id="outer">
<nav id="menu">
<div id="brand" onclick="$('#menu').toggleClass('expanded')">Current Analyser</div>
<a href="/status">Home</a><a href="/wifi">WiFi config</a><a href="/waveform" class="selected">Waveform</a><a href="/fft">FFT</a><a href="/about">About</a></nav>
<a href="/status">Home</a><a href="/wifi">WiFi config</a><a href="/waveform" class="selected">Waveform</a><a href="/fft">FFT</a><a href="/spectrogram">Spectrogram</a><a href="/about">About</a></nav>
<div id="content">
<img src="/img/loader.gif" alt="Loading…" id="loader">

@ -19,7 +19,7 @@
<div id="outer">
<nav id="menu">
<div id="brand" onclick="$('#menu').toggleClass('expanded')">Current Analyser</div>
<a href="/status">Home</a><a href="/wifi" class="selected">WiFi config</a><a href="/waveform">Waveform</a><a href="/fft">FFT</a><a href="/about">About</a></nav>
<a href="/status">Home</a><a href="/wifi" class="selected">WiFi config</a><a href="/waveform">Waveform</a><a href="/fft">FFT</a><a href="/spectrogram">Spectrogram</a><a href="/about">About</a></nav>
<div id="content">
<img src="/img/loader.gif" alt="Loading…" id="loader">

@ -8,7 +8,7 @@
'wifi' => [ $prod ? '/wifi' : '/page_wifi.php', 'WiFi config' ],
'waveform' => [ $prod ? '/waveform' : '/page_waveform.php', 'Waveform' ],
'fft' => [ $prod ? '/fft' : '/page_fft.php', 'FFT' ],
// 'spectrogram' => [ '/spectrogram', 'Spectrogram' ],
'spectrogram' => [ $prod ? '/spectrogram' : '/page_spectrogram.php', 'Spectrogram' ],
// 'transient' => [ '/transient', 'Power-on transient' ],
'about' => [ $prod ? '/about' : '/page_about.php', 'About' ],
];

@ -31,6 +31,7 @@ elixir(function (mix) {
'js-src/app.js',
'js-src/page_wifi.js',
'js-src/page_waveform.js',
'js-src/page_spectrogram.js',
'js-src/page_status.js',
], 'js/all.js');
});

@ -20,6 +20,17 @@ $().ready(function () {
});
}, 1000);
$('input[type=number]').on('mousewheel', function(e) {
var val = +$(this).val();
var step = +($(this).attr('step') || 1);
if(e.wheelDelta > 0) {
val += step;
} else {
val -= step;
}
$(this).val(val);
});
modal.init();
notify.init();
});

@ -63,7 +63,9 @@
// Convert to camel case
function cssCamel(property) {
return property.replace(/-\w/g, function (result) {return result.charAt(1).toUpperCase(); });
return property.replace(/-\w/g, function (result) {
return result.charAt(1).toUpperCase();
});
}
// Get computed style
@ -82,7 +84,8 @@
function setCss(elm, property, value) {
try {
elm.style[cssCamel(property)] = value;
} catch (e) {}
} catch (e) {
}
}
// Show CSS
@ -205,7 +208,9 @@
} else if (position === 'prepend') {
elm.insertBefore(tmpnode, elm.firstChild);
}
} catch (e) {break; }
} catch (e) {
break;
}
}
}, nodes);
}
@ -370,7 +375,8 @@
// Catch error in unlikely case elm has been removed
try {
elm.parentNode.removeChild(elm);
} catch (e) {}
} catch (e) {
}
}, nodes);
return chibi();
};
@ -576,7 +582,9 @@
elm.addEventListener(event, fn, false);
} else if (d.attachEvent) {
// <= IE 8 loses scope so need to apply, we add this to object so we can detach later (can't detach anonymous functions)
elm[event + fn] = function () { return fn.apply(elm, arguments); };
elm[event + fn] = function () {
return fn.apply(elm, arguments);
};
elm.attachEvent('on' + event, elm[event + fn]);
}
}, nodes);
@ -599,11 +607,14 @@
return cb;
};
// Basic XHR 1, no file support. Shakes fist at IE
cb.ajax = function (url, method, callback, options) {
cb.ajax = function (url, method, callback, options) { // if options is a number, it's timeout in ms
var xhr,
query = serializeData(nodes),
type = (method) ? method.toUpperCase() : 'GET',
timestamp = '_ts=' + (+new Date());
timestamp = '_ts=' + (+new Date()),
abortTmeo;
if (_.isNumber(options)) options = {timeout: options};
var opts = Chartist.extend({}, {
nocache: true,
@ -633,6 +644,12 @@
xhr.timeout = opts.timeout;
abortTmeo = setTimeout(function () {
errorMsg("XHR timed out.");
xhr.abort();
if (opts.loader) $('#loader').removeClass('show');
}, opts.timeout + 10); // a bit later, but still.;
xhr.onreadystatechange = function () {
if (xhr.readyState === 4) {
@ -642,6 +659,8 @@
if (callback && xhr.status != 0) { // xhr.status 0 means "aborted"
callback(xhr.responseText, xhr.status);
}
clearTimeout(abortTmeo);
}
};
@ -654,7 +673,7 @@
xhr.send(query);
}
return cb;
return xhr;
};
// Alias to cb.ajax(url, 'get', callback)
cb.get = function (url, callback, opts) {

@ -0,0 +1,165 @@
var page_spectrogram = (function () {
var sg = {};
var ctx;
// drawing area
var plot = {
x:0,
y:0,
w:860,
h:512,
dx: 1, // bin
dy: 1
};
var interval = 1000;
var running = false;
var readTimeout; // timer
var readoutPending;
var readXhr;
var sampCount = 1024;
var binCount = sampCount/2;
var colormap = {
r: [
{x: 0, b: 0},
{x: .7, b: 0},
{x: 1, b: 1},
],
g: [
{x: 0, b: 0},
{x: .3, b: 0},
{x: .7, b: 1},
{x: 1, b: 1},
],
b: [
{x: 0, b: 0},
{x: .02, b: .3},
{x: .3, b: 1},
{x: 1, b: 1},
]
};
function cmResolv(db, tab) {
var startX,endX,startC,endC;
db /=6;
if (db > 1) db = 1;
if (db < 0) db = 0;
for (var i = 0; i < tab.length; i++) {
var p = tab[i];
if (db >= p.x) {
startX = p.x;
startC = p.b;
}
if (db <= p.x) {
endX = p.x;
endC = p.b;
}
}
return Math.round((startC + (endC - startC)*((db - startX)/(endX - startX)))*255);
}
function val2color(x) {
var xx = x;//20 * Math.log(x);
var r = cmResolv(xx, colormap.r);
var g = cmResolv(xx, colormap.g);
var b = cmResolv(xx, colormap.b);
return 'rgb('+r+','+g+','+b+')';
}
function shiftSg() {
var imageData = ctx.getImageData(plot.x+plot.dx, plot.y, plot.w-plot.dx, plot.h);
ctx.putImageData(imageData, plot.x, plot.y);
}
function drawSg(col) {
shiftSg();
for (var i = 0; i < binCount; i++) {
// resolve color from the value
var y = binCount - i;
var clr;
if (i > col.length) {
clr = '#000';
} else {
clr = val2color(col[i]);
}
ctx.fillStyle = clr;
ctx.fillRect(plot.x+plot.w-plot.dx, plot.y+y*plot.dy, plot.dx, plot.dy);
}
}
function onRxData(resp, status) {
readoutPending = false;
if (status == 200) {
try {
var j = JSON.parse(resp);
if (j.success) {
// display
drawSg(j.samples);
} else {
errorMsg("Sampling failed.");
}
} catch(e) {
errorMsg(e);
}
} else {
errorMsg("Request failed.");
}
if (running)
readTimeout = setTimeout(requestData, interval); // TODO should actually compute time remaining, this adds interval to the request time.
}
function requestData() {
if (readoutPending) {
errorMsg("Request already pending - aborting.");
readXhr.abort();
}
readoutPending = true;
var fs = $('#freq').val();
var url = _root+'/measure/fft?n='+sampCount+'&fs='+fs;
readXhr = $().get(url, onRxData, estimateLoadTime(fs,sampCount));
return true;
}
sg.init = function () {
var canvas = $('#sg')[0];
ctx = canvas.getContext('2d');
ctx.fillStyle = '#000';
ctx.fillRect(plot.x, plot.y, plot.w, plot.h);
$('#go-btn').on('click', function() {
interval = +$('#interval').val(); // ms
running = !running;
if (running) {
requestData();
} else {
clearTimeout(readTimeout);
}
$('#go-btn')
.toggleClass('btn-green')
.toggleClass('btn-red')
.html(running ? 'Stop' : 'Start');
});
};
return sg;
})();

@ -168,15 +168,8 @@ var page_waveform = (function () {
var n = $('#count').val();
var fs = $('#freq').val();
var url = _root+'/measure/{fmt}?n={n}&fs={fs}'.format({
fmt: dataFormat, // fft or raw
n: n,
fs: fs
});
$().get(url, onRxData, {
timeout: (1000/fs)*n+1500
});
var url = _root+'/measure/'+dataFormat+'?n='+n+'&fs='+fs;
$().get(url, onRxData, estimateLoadTime(fs,n));
return true;
}
@ -224,18 +217,6 @@ var page_waveform = (function () {
return false;
});
// --- scroll the input box ---
$('input[type=number]').on('mousewheel', function(e) {
var val = +$(this).val();
var step = +($(this).attr('step') || 1);
if(e.wheelDelta > 0) {
val += step;
} else {
val -= step;
}
$(this).val(val);
});
// auto-reload button
$('#ar-btn').on('click', toggleAutoReload);
};

@ -7,6 +7,10 @@ function numfmt(x, places) {
return Math.round(x*pow) / pow;
}
function estimateLoadTime(fs, n) {
return (1000/fs)*n+1500;
}
/**
* Perform a substitution in the given string.
*

File diff suppressed because one or more lines are too long

File diff suppressed because one or more lines are too long

@ -0,0 +1,29 @@
<?php $page = 'spectrogram'; include "_start.php"; ?>
<h1>Spectrogram</h1>
<div class="Box center" id="samp-ctrl">
<div>
<label for="freq">Rate <span class="mq-tablet-max" style="font-weight:normal;">(Hz)</span></label>
<input id="freq" type="number" value="4096">
<span class="mq-normal-min">Hz</span>
</div>
<div>
<label for="interval">Interval <span class="mq-tablet-max" style="font-weight:normal;">(ms)</span></label>
<input id="interval" type="number" value="100" step=100 min=0>
<span class="mq-normal-min">ms</span>
</div>
<div>
<a id="go-btn" class="button btn-green">Start</a>
</div>
</div>
<div class="Box center">
<canvas id="sg" width=860 height=512></canvas>
</div>
<script>
$().ready(page_spectrogram.init());
</script>
<?php include "_end.php"; ?>
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